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Mechanical Operations

Mechanical Operations
Maximum size reduction in a ball mill is done by the, __________ action.

Compression
Impact
Cutting
Attrition

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Mechanical Operations
Length/diameter ratio of a ball mill is

> 1
1
< 1
1.5

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Mechanical Operations
Sphericity of raschig ring (whose length and diameter are equal) is

>1
2
1

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Mechanical Operations
Separation of solid particles based on their densities is called

Sorting
Clarification
Dispersion
Sizing

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Mechanical Operations
Filtration capacity of a rotary drum vacuum filter depends upon the

Neither A nor B
Cake thickness
Characteristics of the feed slurry
Both A & B

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Mechanical Operations
The distribution given by microscopic analysis of powder is

Volume
Area
Number
Length

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